SOLUTION: I'm sorry if I put this on wrong category :( What is the integral [from b to a] 2/x^3? My answer is b^2-a^2 is this correct?

Algebra ->  Problems-with-consecutive-odd-even-integers -> SOLUTION: I'm sorry if I put this on wrong category :( What is the integral [from b to a] 2/x^3? My answer is b^2-a^2 is this correct?      Log On


   

Question 765605: I'm sorry if I put this on wrong category :(
What is the integral [from b to a] 2/x^3? My answer is b^2-a^2 is this correct?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
What is the integral [from b to a] 2/x^3? My answer is b^2-a^2 is this correct?
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f%28x%29+=+2x%5E-3
INT+=+-x%5E-2+%2B+C
--> -1/b^2 + 1/a^2
= %28b%5E2+-+a%5E2%29%2Fa%5E2b%5E2